T32: on Windows the right column follows herdr's focused pane: the herdr.exe nearest under the session's shell, its arguments and variables read through sysinfo, its folder found as herdr finds it there, herdr's named pipe asked as herdr names it; on every system a herdr answer that lands after the shell reported a folder is dropped

Cargo.toml

@@ -57,6 +57,13 @@ core-graphics = { version = "0.24", features = ["highsierra"] }
 foreign-types = "0.5"
 image = { version = "0.25", default-features = false, features = ["png"] }
 
+[target.'cfg(windows)'.dependencies]
+sysinfo = { version = "0.39", default-features = false, features = ["system"] }
+windows-sys = { version = "0.61", features = ["Win32_Foundation", "Win32_Storage_FileSystem", "Win32_System_Diagnostics_ToolHelp", "Win32_System_Pipes"] }
+
+[target.'cfg(windows)'.dev-dependencies]
+windows-sys = { version = "0.61", features = ["Win32_Security", "Win32_System_IO"] }
+
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(feature, values("cargo-clippy"))'] }